package com.su.lession02;

import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;

import static com.sun.xml.internal.messaging.saaj.packaging.mime.util.ASCIIUtility.getBytes;

public class TcpServerDemo02 {
    public static void main(String[] args) throws IOException {
        //1.创建服务
        ServerSocket serverSocket = new ServerSocket(900);
        //2.监听客户端的连接
        Socket socket = serverSocket.accept();//阻塞式监听，会一直等待客户端连接
        //3. 获取输入流
        InputStream is = socket.getInputStream();
        //4.文件输出
        FileOutputStream fos = new FileOutputStream(new File("receive.jpg"));
        byte[] buffer = new byte[1024];
        int len;
        while((len = is.read(buffer))!= -1){
           fos.write(buffer,0,len);

        }
        //通知客户端我接收完毕了
        OutputStream os = socket.getOutputStream();
        os.write("我接受完毕了，你可以断开了".getBytes());

        //关闭资源
        fos.close();
        is.close();
        socket.close();
        serverSocket.close();
    }

}
